RapID Platform Network Interface with REM Switch
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Copyright 2014 by Innovasic, Inc.
Published by Innovasic, Inc.
5635 Jefferson St. NE, Suite A, Albuquerque, New Mexico 87109 USA
RapID Platform, PriorityChannel and fido® are trademarks of Innovasic, Inc.
RapID Platform Network Interface with REM Switch
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TABLE OF CONTENTS
1. Module Overview ...................................................................................................................5
2. Physical Dimensions and Connector Pinout ..........................................................................6
2.1 Physical Constraints ......................................................................................................6
2.2 Signal Interface Connector ...........................................................................................8
2.3 Connector Pinout ........................................................................................................10
2.4 Power requirements ....................................................................................................15
2.5 Reset Requirements ....................................................................................................15
3. Communication Interfaces between the Host Processor and Network Interface with REM
Switch Module ...............................................................................................................................15
3.1 UART Host Interface ..................................................................................................15
3.2 Parallel Host Interface ................................................................................................16
4. Considerations for Production and Maintenance .................................................................17
4.1 Boot Loader ................................................................................................................18
4.2 JTAG ...........................................................................................................................18
5. Revision History ...................................................................................................................20
6. For Additional Information ..................................................................................................21
RapID Platform Network Interface with REM Switch
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LIST OF FIGURES
Figure 1 – Overview of Module Components and Interfaces ..........................................................5
Figure 2 - Dimensions of the Network Interface with REM Switch Module (Plane View) ............7
Figure 3 - Dimensions of the Network Interface with REM Switch Module (Cross-section) ........7
Figure 4 - Socket dimensions to mate the Network Interface with REM Switch Module ..............8
Figure 5 - Location of X1 connector and Pin A1 .............................................................................9
Figure 6 - Summary of Connector Pin Names ...............................................................................10
Figure 7 – UART Host Interface Connection ................................................................................16
Figure 8 – Parallel Host Interface Connection ...............................................................................16
Figure 9 – Programming Connections and Devices ......................................................................17
LIST OF TABLES
Table 1 – Network Interface with REM Switch Module Pinout Table – X1-A Connector...........11
Table 2 – Network Interface with REM Switch Module Pinout Table – X1-B Connector ...........12
Table 3 – Network Interface with REM Switch Module Pinout Table – X1-C Connector ...........13
Table 4 – Network Interface with REM Switch Module Pinout Table – X1-D Connector...........14
Table 5 – Document Revision History...........................................................................................20
RapID Platform Network Interface with REM Switch
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1. Module Overview
The RapID Platform Network Interface with REM Switch module contains everything needed
including the communications controller, protocol stacks, Flash, RAM, and PHYs. Figure 1
provides an overview of the module.
Figure 1 – Overview of Module Components and Interfaces
The remainder of this document provides technical details for the Network Interface with REM
Switch module and the information necessary to integrate the module into a circuit card.
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2. Physical Dimensions and Connector Pinout
This paragraph describes the process for installing the Network Interface with REM Switch
module in a field device’s application hardware. The process is straightforward and consists of
designing a low-cost socket into the application hardware to provide signal interface and power
connections. Only a single +3.3V power supply is required. In addition, a UART or parallel
interface is used to communicate with a host processor.
Any unused module inputs may be left floating. The appropriate pull-up resistors are included
on the module.
2.1 Physical Constraints
The Network Interface with REM Switch module is 2.382” (60,5mm) x 2.216” (56,3mm) as
shown in Figure 2. The module height from the X1 seating plane is 0.715” (18,2mm) as shown
in Figure 3. The RJ45 (Ethernet) connector and all LEDs are conveniently located along one
edge of the PC board for easy access. The RJ45 connector extends 3.0mm past the edge of the
PC board to allow for installation in an enclosure. The LEDs are flush with the PC board edge.
The Link/Activity LEDs for Ethernet ports 1 and 2 are located inside the RJ45 connector. The
power and bi-color LED indicators are on the top side of the PC board as shown in Figure 3.
All components on the bottom of the PC board are above the X1 connector seating plane, as
shown in Figure 3. All components on the application hardware that are within the Network
Interface with REM Switch module outline should be shorter than the target system's X1 mating
connector to prevent physical interference. The recommended mating connector defined in the
next paragraph (SSW-116-21-F-D) has a height of 0.335” (8,51mm). If the recommended
mating connector is used, all components within the Network Interface with REM Switch
module outline should be shorter than 0.335” (8,51mm).
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Figure 2 - Dimensions of the Network Interface with REM Switch Module (Plane View)
Figure 3 - Dimensions of the Network Interface with REM Switch Module (Cross-section)
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2.2 Signal Interface Connector
The module is installed into the target system using a 64 pin, 0.1” (2,54mm) pitch socket. This
socket consists of 4 rows of 16 pins, as shown in Figure 4. The connector reference designator in
the Network Interface with REM Switch module schematic is X1. The 4 rows are designated A,
B, C and D. Rows A and B are on 0.1” (2,54mm) centers, as are rows C and D. The connector
can be implemented by using 2 dual row connectors, 1 for rows A and B, and 1 for rows C and
D. The recommended connector for each of these is Samtec part number SSW-116-21-F-D.
The additional plated through hole shown in Figure 4 is a mounting hole. It is connected to
chassis ground on the Network Interface with REM Switch module. This plated through hole is
a 0.125” (3,175mm) hole with a 0.250” (6,35mm) pad.
Figure 4 - Socket dimensions to mate the Network Interface with REM Switch Module
RapID Platform Network Interface with REM Switch
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Figure 5 shows the location of the X1 connector relative to the Network Interface with REM
Switch module board outline. The dimensions are referenced to the center of pin X1-A1 and the
upper right corner of the PC board.
Figure 5 - Location of X1 connector and Pin A1
RapID Platform Network Interface with REM Switch
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2.3 Connector Pinout
A summary on the pinout is shown in Figure 6 and the detailed pin definition is provided in the
following tables. All signals use 3.3V logic levels. All inputs except MAN_RESET_N are 5
volt tolerant. MAN_RESET_N is not 5 volt tolerant, and must be supplied a +3.3V signal.
Chassis ground is provided on pin X1-C10 for additional shielding of the Ethernet network
components.
Figure 6 - Summary of Connector Pin Names
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Table 1 – Network Interface with REM Switch Module Pinout Table – X1-A Connector
X1
Pin
Signal Name
Direction
Function
A1
UIC0_1
Input
Write Data Bit 1 for Parallel Host Interface
A2
UIC0_2
Input
Write Data Bit 2 for Parallel Host Interface
A3
UIC0_3
Input
Write Data Bit 3 for Parallel Host Interface
A4
UIC0_4
Input
Write Data Bit 4 for Parallel Host Interface
A5
UIC0_5
Input
Write Data Bit 5 for Parallel Host Interface
A6
UIC0_6
Input
Write Data Bit 6 for Parallel Host Interface
A7
UIC0_15
Input
Write Data Bit 15 for Parallel Host Interface
A8
UIC0_17
Output
“INT4”connection for Parallel Host Interface
A9
INT4
Input
Interrupt 4, has 10K pull-up resistor on module;
“USED” for Parallel Host Interface
A10
NC
Not Connected
Do Not Connect
A11
NC
Not Connected
Do Not Connect
A12
NC
Not Connected
Do Not Connect
A13
NC
Not Connected
Do Not Connect
A14
NC
Not Connected
Do Not Connect
A15
NC
Not Connected
Spare pin
A16
NC
Not Connected
Spare pin
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Table 2 – Network Interface with REM Switch Module Pinout Table – X1-B Connector
X1
Pin
Signal Name
Direction
Function
B1
+3V3
Power
+3.3V Power Supply Input
B2
BOOTLOAD_EN_N
Input
Bootload Enable (active low),
has 10K pull-up resistor on module
B3
UIC0_11
Input
Write Data Bit 11 for Parallel Host Interface
B4
UIC0_12
Input
Write Data Bit 12 for Parallel Host Interface
B5
UIC0_10
Input
Write Data Bit 10 for Parallel Host Interface
B6
UIC0_9
Input
Write Data Bit 9 for Parallel Host Interface
B7
UIC0_8
Input
Write Data Bit 8 for Parallel Host Interface
B8
MAN_RESET_N
Input
Manual Reset Input to FIDO's supervisor IC (active low);
Not 5V Tolerant
B9
+3V3
Power
+3.3V Power Supply Input
B10
UIC0_13
Input
Write Data Bit 13 for Parallel Host Interface
B11
NC
Not Connected
Do Not Connect
B12
NC
Not Connected
Do Not Connect
B13
NC
Not Connected
Do Not Connect
B14
NC
Not Connected
Do Not Connect
B15
NC
Not Connected
Do Not Connect
B16
RESET_OUT_N
Output
FIDO's reset output
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Table 3 – Network Interface with REM Switch Module Pinout Table – X1-C Connector
X1
Pin
Signal Name
Direction
Function
C1
GND
Ground
Signal Ground
C2
UIC1_17
Output
“FIFONOTEMPTY_N” for Parallel Host Interface
C3
UIC1_16
Input
TX for UART Host Interface (Connect to Host RX);
or “RD_SEL_N” for Parallel Host Interface
C4
UIC1_0
Output
RX for UART Host Interface (Connect to Host TX);
or Read Data Bit 0 for Parallel Host Interface
C5
UIC0_0
Input
Write Data Bit 0 for Parallel Host Interface
C6
UIC0_16
Input
“WR_SEL_N” for Parallel Host Interface
C7
UIC0_14
Output
Write Data Bit 14 for Parallel Host Interface
C8
UIC0_7
Output
Write Data Bit 7 for Parallel Host Interface
C9
GND
Ground
Signal Ground
C10
CHASSIS GND
Chassis Ground
Ethernet line-side isolated ground
C11
NC
Not Connected
Do Not Connect
C12
NC
Not Connected
Do Not Connect
C13
NC
Not Connected
Do Not Connect
C14
NC
Not Connected
Do Not Connect
C15
NC
Not Connected
Do Not Connect
C16
NC
Not Connected
Spare pin
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Table 4 – Network Interface with REM Switch Module Pinout Table – X1-D Connector
X1
Pin
Signal Name
Direction
Function
D1
UIC1_1
Output
Read Data Bit 1 for Parallel Host Interface
D2
UIC1_2
Output
Read Data Bit 2 for Parallel Host Interface
D3
UIC1_3
Output
Read Data Bit 3 for Parallel Host Interface
D4
UIC1_4
Output
Read Data Bit 4 for Parallel Host Interface
D5
UIC1_5
Output
Read Data Bit 5 for Parallel Host Interface
D6
UIC1_6
Output
Read Data Bit 6 for Parallel Host Interface
D7
UIC1_7
Output
Read Data Bit 7 for Parallel Host Interface
D8
UIC1_8
Output
Read Data Bit 8 for Parallel Host Interface
D9
UIC1_9
Output
Read Data Bit 9 for Parallel Host Interface
D10
UIC1_10
Output
Read Data Bit 10 for Parallel Host Interface
D11
UIC1_11
Output
Read Data Bit 11 for Parallel Host Interface
D12
UIC1_12
Output
Read Data Bit 12 for Parallel Host Interface
D13
UIC1_13
Output
Read Data Bit 13 for Parallel Host Interface
D14
UIC1_14
Output
Read Data Bit 14 for Parallel Host Interface
D15
UIC1_15
Output
Read Data Bit 15 for Parallel Host Interface
D16
NC
Not Connected
Spare pin
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2.4 Power requirements
The Network Interface with REM Switch module consumes approximately 1.8W, supplied from
a single +3.3V supply. The power supply requirements for voltage and current are +3.3V ± 10%,
800mA. The 3.3V power is supplied to pins X1-B1 and X1-B9 and ground is connected to pins
X1-C1 and X1-C9.
2.5 Reset Requirements
The Network Interface with REM Switch module may be reset by the application hardware.
Module signal X1-B8, referred to as MAN_RESET_N is the reset input to the Network Interface
with REM Switch module. This input is connected to the manual reset input of the on-board
reset supervisor (U2). U2 is a TC1270A voltage supervisor chip which requires a low pulse for a
minimum of 10uS in order to generate a valid reset.
Since the module does have an on-board supervisor IC, it may be allowed to initialize without an
external reset source. Module signal X1-B16, referred to as RESET_OUT_N, is an output that
indicates if the module is in a reset state. The signal will go low to indicate the reset state is
active.
Regardless of how the module is reset, it will not be available for communication until the
software has initialized the module and entered the operating state. The time required for the
module to enter the operating state is 1.0 second after the receipt of a valid reset pulse or after
power is valid if no external reset source is used.
3. Communication Interfaces between the Host Processor and
Network Interface with REM Switch Module
The Network Interface with REM Switch module requires a host processor, and may interface to
the host via a UART (serial) or a 16-bit parallel interface. Implementation of each of these
interfaces is described in the following paragraphs.
3.1 UART Host Interface
The UART Host Interface is implemented using two pins from the Network Interface with REM
Switch module. These pins are X1-C3 and X1-C4. The signal names for these pins, as shown in
Table 3, are UIC1_16 and UIC1_0, respectively. UIC1_16 is the Network Interface with REM
Switch module’s TX signal, and UIC1_0 is the Network Interface with REM Switch module’s
RX signal. The Network Interface with REM Switch module’s TX signal must be connected to
the Host Processor’s RX signal, and the Network Interface with REM Switch module’s RX
signal must be connected to the Host Processor’s TX signal. Figure 7 provides an overview of
these signal connections.
RapID Platform Network Interface with REM Switch
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Figure 7 – UART Host Interface Connection
3.2 Parallel Host Interface
The Parallel Host Interface is implemented as a 16-bit read FIFO and a 16-bit write FIFO.
Support circuitry between the Host Processor and Network Interface with REM Switch is
required and must be designed into the application hardware. The host processor connects to a
16-bit data bus and uses 4 control signals to either read or write data to/from the Network
Interface with REM Switch module. Figure 8 provides an overview of these connections.
Figure 8 – Parallel Host Interface Connection
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Refer to the “HPI Personality Module” schematic (SCH-NI_100-EDB-001) for details on the
circuitry required for the Parallel Host Interface. The pinout tables above may be used to
understand the signal names in the schematic. The 16-bit data bus on the host side of the
interface is referred to as HPI_D0 through HPI_D15. The four control signals are referred to as
HPI_OE_N, HPI_CS_N, HPI_WE_N, and FIFONOTEMPTY_N. As noted in the schematics, it
is important that signal pins X1-A9 and X1-A8 on the Network Interface with REM Switch
module’s connector be tied together when integrating the module on the application hardware.
Refer to the “Host Processor Interface User Guide.pdf” for a detailed description of the Parallel
Host Interface. These documents are found on the Network Interface with REM Switch Tools
page in the Developer Portal on the Innovasic website.
4. Considerations for Production and Maintenance
There are three methods for configuring and programming the Network Interface with REM Switch
module during production of end use systems. These methods are:
1. Bootloader
2. JTAG
3. Flash Programmer
The Bootloader and JTAG methods can also be used to perform field updates during maintenance for
the end devices. The subparagraphs below provide an overview of these methods. Figure 9 shows the
connections and devices involved for all three methods for either a module or embedded design.
Figure 9 – Programming Connections and Devices
RapID Platform Network Interface with REM Switch
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4.1 Boot Loader
Innovasic supports programming flash chips on the Network Interface with REM Switch module
or embedded design using the Ethernet connector. The type of programming file used to support
this is called a .load file. Innovasic supplies .load files for each software component in the
Network Interface with REM Switch module. These components are identified as:
Boot Loader
Unified Interface
Network
Configuration Data
These .load file types are available on the Network Interface with REM Switch module Software
page in the Developer Portal on the Innovasic website, and can be loaded as described in the
“Boot Loader User Guide.pdf”.
It is important to note that the BOOTLOADER_EN_N signal must be grounded when the
Network Interface with REM Switch module powers-up in order to enter the programming
mode. This is an important consideration if the final product requires field updates.
4.2 JTAG
Innovasic supports programming flash chips on the Network Interface with REM Switch module
or embedded design using the JTAG Connector. The type of programming file used to support
this is called a .elf file. Innovasic supplies .elf files for each software component in the Network
Interface with REM Switch module. These components are identified as:
Boot Loader
Unified Interface
Network
Configuration Data
These .elf file types are available on the Network Interface with REM Switch Software page in
the Developer Portal on the Innovasic website.
Using the JTAG method for configuring and programing the Network Interface with REM
Switch module requires a PC, JTAG “wiggler” and programming software, and .elf
programming files. The wiggler and programming software may be ordered from Innovasic
using part number “RapID-PGMR VMCGR”.
A connector compatible with the ribbon-cable side of the wiggler is already installed on the
module as shown in Figure 9. This connector must be used in the embedded design. The ribbon
cable on the wiggler connects to the module/embedded design connector. The other end of the
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wiggler connects to the USB port of the PC. Detailed instructions for loading and programming
with the .elf files are provided with the JTAG programming software.
Note that it is possible to program blank flash using the JTAG method. This method is useful if
a Flash Programmer is not available. Access to the JTAG connector is required; however,
grounding BOOTLOADER_EN_N is not required.
4.3 Flash Programmer
Innovasic supports programming individual, blank flash chips using a flash programmer. The type of
programming file used to support this is called a Motorola S record file (.srec). Innovasic supplies
.srec files for each software component in the Network Interface with REM Switch module. These
components are identified as:
Boot Loader
Unified Interface
Network
Configuration Data
These .srec file types are available in the Developer Portal on the Innovasic website, and can be
sequentially loaded into the flash programmer. There is no need to be concerned the data will
overlap. Once the files are loaded into the programmer the complete executable package can be
programmed into the flash chip.
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5. Revision History
Table 5 – Document Revision History
Date
Revision
Description
Page(s)
April 10, 2014
00
Initial release
NA
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6. For Additional Information
The Innovasic Support Team is continually planning and creating tools for your use. Visit
http://www.innovasic.com for up-to-date documentation and software. Our goal is to provide
timely, complete, accurate, useful, and easy-to-understand information. Please feel free to
contact our experts at Innovasic at any time with suggestions, comments, or questions.
Innovasic Support Team
5635 Jefferson St. NE, Suite A
Albuquerque, NM 87109 USA
(505) 883-5263
Fax: (505) 883-5477
Toll Free: (888) 824-4184
E-mail: support@innovasic.com
Website: http://www.Innovasic.com
